questions Flashcards
what is the cleaning operation for the class II biological safety cabinet
The back walls, sidewalls, worksurface, spill tray and all exposed surfaces should be wiped with water for irrigation, followed by 70% alcohol.
how often should you disinfect class II biological safety cabinet?
The cabinet should be operated continuously, 24 hours per day, and disinfected once every 24 hours to maintain the integrity of the air barrier
how are supplies arranged in the work zone of the laminar airflow hood
in a checkerboard fashion
in a laminar airflow hood where do all manipulations take place?
15 cm from the outside edge and at least 7.5 cm from the sidewalls
how often should gloves be changed when handling chemo agents?
since all gloves are permeable to some extent, gloves should be changed after each procedure or after each hour
should luer-lok or friction fit needles be used with chemotherapy drugs?
luer-lok prevents needles from slipping off during the manipulations
why is negative pressure used with chemotherapy drugs?
positive pressure inside the vial can cause a blowback or fluid leaks from the vile through the needle puncture a slight negative pressure should be maintained inside the vial.